The aftermarket (guarantees, services, sales and use of replacement parts and accessories) is characterized by a large number of users on the demand side, while acquisition of this type of product is treated as capital procurement (purchase of cars, trucks, buses, etc.). Capital procurement is symbolized by large expenditures, a relatively long shelf life, as well as a significant share of maintenance costs, namely servicing the products at the expense of the buyer, etc. After-sales servicing and the supply of spare parts provided by individual manufacturers are important elements when deciding on the purchase of a vehicle. However, it is difficult for consumers to foresee the cost of total purchase (the price of the primary produ...